{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "The second order rate of alkylation of thioredoxin - ( SH ) 2 with 1 eq of iodoacetic acid was pH - dependent and showed independent initial reactions of one thiolate ion with a pK value of 6 . 7 and a second with a pK value close to 9 . 0 ."}
{"Anatomy": []}